Share Sleuth is a hand-picked portfolio of stable companies we can trust. It was five years old in September 2014 and it's prospering by continuously reducing risk. The Share Sleuth decision engine is a spreadsheet any-one can use to manage valuation, business and portfolio risk.

Nifty Thrifty is a computer generated portfolio. It was five years old in July 2015 and it's prospering by selecting good companies at cheap prices, year in, year out. Confessions of a mechanical investor tells the human side of the story, so far.